You’re seeing a patient in the community emergency department with a primary headache disorder. Based on your history & physical examination skills, you have considered and ruled out all dangerous secondary headache causes such as intracranial hemorrhage, sentinel bleed, meningoencephalitis, abscess, tumor, temporal arteritis, hypertensive encephalopathy, acute angle closure glaucoma, etc. With many classes of treatments available, providers have typically used some form of a ‘migraine cocktail’ including IV prochlorperazine, IV ketorolac, IV diphenhydramine, IV dexamethasone, and/or IV normal saline…